What matters is to live in the present, live now, for every moment is now. It is your thoughts and acts of the moment that create your future. The outline of your future path already exists, for you created its pattern by your past.
Ideas which have been developed simultaneously or in immediate succession in the same mind mutually reproduce each other, and do this with greater ease in the direction of the original succession and with a certainty proportional to the frequency with which they were together.
By exercise. I'll tell you one thing, you don't always have to be on the go. I sit around a lot, I read a lot, and I do watch television. But I also work out for two hours every day of my life, even when I'm on the road.